CN102107502B - For the stripper apparatus of the injection moulded products with undercutting - Google Patents
For the stripper apparatus of the injection moulded products with undercutting Download PDFInfo
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- CN102107502B CN102107502B CN201010563517.3A CN201010563517A CN102107502B CN 102107502 B CN102107502 B CN 102107502B CN 201010563517 A CN201010563517 A CN 201010563517A CN 102107502 B CN102107502 B CN 102107502B
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- head
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- protuberance
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- equipment
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- 238000002347 injection Methods 0.000 title description 8
- 239000007924 injection Substances 0.000 title description 8
- 238000001746 injection moulding Methods 0.000 claims abstract description 15
- 230000033001 locomotion Effects 0.000 claims description 25
- 230000010354 integration Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 239000003550 marker Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of have the equipment of the parts of undercutting in particular for release in injection-molding-system.One protuberance is movably installed relative to the moving part of injection molding.One head is movably installed relative to moving part.Joint, such as ball-and-socket joint, be used for connection header and protuberance.Head has a shoulder, when mould is in closed position, and described shoulder contact fixing backstop longitudinal relative to moving part.One biased element is used in and promotes head in a lateral direction relative to moving part under normal circumstances.
Description
Technical field
The present invention relates to a kind of device for carrying out the demoulding to the injection moldings with undercutting, especially a kind of reaming also improves the device of somatotype.
Background technology
Some known injection-molding-system comprises the mould with moving part and standing part.Such as when this mold system is in the closed position, within mould, between moving part and standing part, form mechanograph or moulded parts.
When mold system moves to expanded position from closed position, mechanograph can be ejected by known knock pin and/or other traditional liftout attachment or other modes shift out, and at expanded position, moving part and standing part leave certain distance.
When mechanograph formed undercutting or other similar minus zone (negative), space, space or volume time, the structure of traditional liftout attachment becomes more complicated.Thus need a kind of liftout attachment, described liftout attachment, can valid function when carrying out the demoulding to mechanograph, especially carrying out the demoulding to the mechanograph with undercutting or minus zone, space or space.
Fig. 5 and 6 shows the traditional moulds for molded plastic parts, and it comprises standing part 40 and moving part 41.A model sheetinstallat is on standing part 40, and another template is fixed on moving part 41.These two templates form goods to be molded or part 42.The moving part 41 of mould is closed facing to standing part 40, and forms moulded cavity between two templates.
The moving part 41 of mould is separated with standing part 40 subsequently, completes on one that part or moulded parts 42 remain attached in them; Usually be attached on that plate corresponding to the moving part 41 of mould.Liftout attachment or the equipment that shifts out suitable is in addition utilized to shift out moulded parts 42.
Moulded parts 42 ejects by usual utilization pin or bar, and moulded parts 42 is released from template by described pin or bar.Pin or bar can stretch out from liftout plate 51, and described liftout plate 51 is combined into and it is floated on the moving part 41 of mould.When liftout plate 51 moves, pin makes moulded parts 42 move to carry out the demoulding.
Be molded in industry at plastics, mould be called as undercutting, minus zone and/or space from the region that the remainder of moulded parts has different stripping directions.Such as, the gripper 45 of moulded parts 42 can not carry out the demoulding on the direction for extracting directly moulded parts 42, because it embeds in this moulded parts 42.
For carrying out the demoulding, some movable reverse tools 4 move forward together with liftout plate 51, and also at side opening.Thisly to open or minus zone discharges by lateral movement, allow moulded parts 42 to be ejected, to extract or to be shifted out, as illustrated in Figures 5 and 6 all.
Fig. 5 shows an embodiment of reverse tool 4.Reverse tool 4 comprises rectangle or circular pin 47, and described rectangle or circular pin 47 side direction decline, to allow lateral thrust, from mould release minus zone.
Fig. 6 shows another embodiment of reverse tool 4.Reverse tool 4 comprises hinged cylindrical movable body 6 and can deflect head 7.Articulated section 50 allows to deflect head 7 and is displaced sideways to discharge minus zone.
If need due to fracture or wearing and tearing to replace, then may there is a problem in first prior art embodiment, because whole element must be changed, and this needs to dismantle mould support plate completely, and need the shell spending considerable time machined moulded parts, this relates to Cost Problems.
Second prior art embodiment may not have any problem, but, adjustment for two parts forming reverse tool is columniform with the tapering reduced, because the injection pressure of plastics can change the position that can deflect head 7, thus cause the change and burr etc. of moulded parts geometry.Because cylindrical part has larger surface, so must advance further, to make first moulded parts deflection (collapse).
The invention that Spanish patent application 200502882 is instructed solves some such problems, it relates to a kind of minus zone dismoulding system, comprise: between movable body and head, arrange a spring, deflection to improve it, with arrange an inclined side can deflect on head, when head turns back in sleeve, described inclined side reorientates head.
The invention of Spanish patent application 200502882 helps to achieve some targets, but the present invention utilizes favourable dismoulding system further to meet other targets.
Summary of the invention
Each entirety in following publications is incorporated in this description, as a reference:
1.PCT International Application Serial No. PCT/ES2008/070222;
2. Spanish Utility Model P200703497;
3. Spanish Utility Model 200502577;
4. Spanish Utility Model 200502578; With
5. Spanish patent application P200502882.
The various advantages being better than other similar known systems are provided according to the device for carrying out the demoulding to the minus zone in injection molding of the present invention.
According to the present invention, this stripper apparatus is together with the device for ejecting injection mold or device coupled, and it comprises guide sleeve, and described guide sleeve can be attached in the template of the moving part of mould, and the inside of guide sleeve is the reverse tool of this minus zone molded.In some embodiments of the invention, reverse tool comprises guided-moving body and can deflect head, to carry out the demoulding to minus zone.
There is a projection in guide sleeve inside, when reverse tool moves forward, the side of described projection pressing Head, forces its lateral deflection, thus release minus zone.
In addition, the device of some embodiments of the present invention also comprises guide sleeve inside, is positioned at the backstop of reverse tool porch.
Thus, head is forced to deflection, and it prevents moulded parts to be stuck, and prevents this moulded parts from deflecting.
To the prevention of anti-mold movement, also can prevent it from stretching in guide sleeve under the effect of injection pressure too dark, thus prevent the appearance of the burr formed thus.
Accompanying drawing explanation
Reference-view, can understand above-mentioned and other characteristic sum target of the present invention better from detailed description hereafter, wherein:
Fig. 1 is the perspective view of the overall expression of releasing device according to one embodiment of the present of invention, and described releasing device is not arranged in corresponding mechanograph or moulded parts;
Fig. 2 shows the cross-sectional view of four different order steps of the release mechanograph according to one embodiment of the present of invention;
Fig. 2 a shows two different cross-sectional views, shows blade or head and stretches into mode in the position allowing removal of inserts or head;
Fig. 3 shows the partial section of guide sleeve according to one embodiment of the present of invention and wedge-shaped element;
Fig. 4 shows the decomposition section of the releasing device according to one embodiment of the present of invention;
Fig. 5 shows the Liang Ge partial section of the standing part of molding-system well known in the prior art and the diverse location of moving part;
Fig. 6 shows the Liang Ge partial section of the standing part of another molding-system well known in the prior art and the diverse location of moving part;
Fig. 7 shows the partial cross section view of the releasing device according to one embodiment of the present of invention;
Fig. 7 a shows the partial cross section view of the releasing device according to an alternative embodiment of the invention;
Fig. 7 b shows the partial cross section view of the releasing device according to one embodiment of the present of invention;
Fig. 7 c shows the partial section of the releasing device shown in Fig. 7 b, show further the inner biased element installed;
Fig. 7 d shows the exploded partial cross-sectional view of the releasing device shown in Fig. 7 c;
Fig. 7 e shows the partial section being arranged on the releasing device of guide sleeve inside according to one embodiment of the present of invention;
Fig. 8 shows according to five of one embodiment of the present of invention in turn and the partial section of different positions, these positional representation releasing operation or methods;
Fig. 9 shows four different partial cross section views of installing selection according to different embodiments of the invention, and two, left side is with gripper shoe, and two, right side does not have gripper shoe;
Figure 10 is the partial schematic diagram of the stop element according to one embodiment of the present of invention;
Figure 11 is the schematic diagram of three different Install and configure according to different embodiments of the invention;
Figure 12 a-12g all shows the exploded view of the releasing device according to different embodiments of the invention;
Figure 13 shows according to an alternative embodiment of the invention, to the schematic diagram of four different order steps that releasing device operates;
Figure 14 shows the partial cross section view of the releasing device according to one embodiment of the present of invention;
Figure 15 shows the partial cross section view of the releasing device according to an alternative embodiment of the invention; With
Figure 16 shows the perspective view of blade according to one embodiment of the present of invention or head.
Detailed description of the invention
The present invention relates to a kind of equipment for discharging mechanograph or moulded parts in injection-molding-system or device, in particular for release with the mechanograph of undercutting or the equipment of moulded parts or device.As what use in whole description and claims, term blade, head, lifting blade, lifting core and/or lifter can be replaced mutually, all relate to the element contacting mechanograph during the ejection stroke of molding-system or molding process.
As Figure 1-4, device 1 of the present invention is used for carrying out the demoulding to minus zone during injection moulding, and it is together with the device for ejecting injection mold or device coupled.Device 1 of the present invention comprises guide sleeve 2, and described guide sleeve 2 can be attached in the template of moving part 41 of mould, and the inside of guide sleeve 2 extends the reverse tool 4 be molded minus zone 5.
The deflected head 7 that reverse tool 4 shown in Fig. 4 comprises guided-moving body or protuberance 6 and is hinged with this movable body 6, the described head 7 that deflects is for carrying out the demoulding to minus zone 5.When reverse tool moves forward, the hinged permission head 7 be applicable between head 7 and movable body 6 disassembles from front portion, like this, and can close to forming the pin 60 of articulated section, as shown in Figure 2 a.When needing due to wearing and tearing or other the reason of changing to change head 7, this feature can be avoided dismantling all moulded support plates.
Projection 8 is had in guide sleeve 2 inside, when reverse tool 4 moves forward, according to the order shown in Fig. 2, the side of described projection 8 pressing Head 7, thus force head 7 lateral deflection, and discharge minus zone 5.
Equally, the backstop 9 being positioned at guide sleeve 2 inside can stop reverse tool 4 to enter guide sleeve 2, to stop it running, and eliminates the burr on moulded parts 42.In closed position, backstop 9 can also be used for preventing injection pressure from flowing backwards.
In the embodiment shown in Fig. 1-4, projection 8 and backstop 9 are formed by discrete component or block 10, can be removed, to carry out machined, and can be assembled in some inner shell 2a of guide sleeve 2, as shown in Figure 4.
Guide sleeve 2 is formed with chamber 15 in housing 2a, and described chamber 15 is so broad that to be enough to block 10 to be placed on inside.This chamber is closed by axial guides 16, and moving body or protuberance 6 run through described guiding piece 16.
Block 10 can have longitudinal moving body 11 and transversely step 12, and the side of described inclination longitudinal moving body 11 pressing Head 7, described transversely step 12 forms backstop 9.Head 7 can form the side direction protuberance 13 that can contact step 11 and the wedge-shaped part 14 contacted with backstop 9.
The end of the guide sleeve 2 at head 7 and head 7 place can have the part increased towards free end, when the head 7 such as in this part being in guide sleeve 2 is subject to lateral support and prevents head 7 from continuing to run through under the effect of such as injection pressure, to make reverse tool 4 maintain static.As compared to those the complete columniform known reverse tools 4 such as shown in Fig. 5 with 6, this geometry also allows head 7 lateral deflection under lower ejection ruuning situation.The increase of the end of head 7 part and guide sleeve 2 forms flat inclined plane 17, and both flat with this inclined plane 17 contacts.
In some embodiments of the invention, the hole 18 on the lower end of each moving body 6 may be used for moving body 6 to be attached on liftout attachment.
As Fig. 7,7a-7e, 8,9, shown in 10 and 11, moving body or protuberance 106 are movably installed relative to head 107.In some embodiments of the invention, protuberance 106 and head 107 motion class are each other similar to or may be similar to the moving body described in other embodiments of the present invention as shown in Fig. 2,2a, 3 and 4 or the relative motion between protuberance 6 and head 7.In other embodiments of the invention, protuberance 106 can move to be different from the mode shown in Fig. 2,2a, 3 and 4 relative to head 107.No matter protuberance 106 relative to the motion of head 107 type how, head 107 can have or can not have with protuberance 6 relative to the same or similar motion of the motion of head 7.
Such as Fig. 7,7a-7e, 8,9,10, in the embodiment shown in 11 and 12a-12g, ball-and-socket joint 160 is used for movably connecting protuberance 106 and head 107.Utilize ball-and-socket joint 160, protuberance 106 and head 107 can follow or have and the motion of protuberance 6 with head 7 same response.According in other embodiments of the present invention, protuberance 106 and head 107 motion each other can be different from the motion between protuberance 6 and head 7, this depends on the specific resultant motion wished for the head 107 of application-specific, and at this moment head 107 may have different resultant motions.Compared with convention connectors, ball-and-socket joint 160 and/or similar connector in addition of the present invention can be used for the size reducing or minimize head 7 and/or head 107, and this can provide better spatial utility in a mold, such as, when designing mould.
As Fig. 7,7a-7e, 8,9,10, shown in 11 and 12a-12g, ball-and-socket joint 160 comprises and is connected to head 107 or the spherical or aspherical ball 161 integrated with head 107.In other embodiments of the invention, spherical or aspherical ball 161 can have any shape that other is applicable to and/or the mode that can be applicable to any other be connected to protuberance 106 or integration with it, such as, for element effect reverse.Equally, as Fig. 7,7a-7e, 8,9,10, shown in 11 and 12a-12g, ball-and-socket joint 160 comprises the receiver 162 or the other opening be applicable to that are connected to protuberance 106 or integration with it.In other embodiments of the invention, receiver 162 or the other opening be applicable to can be connected to head 107 or integration with it, such as reverse for what act on.According in other embodiments of the present invention, protuberance 106 can have any other be applicable to connector or connecting portion, include but not limited to, mechanical connection, mechatronics, electrical connection and/or magnetic connect, and these can be used for realizing head 107 relative to the resultant motion desired by protuberance 106.
According in some embodiment of the present invention, a spring or other biased element 170 are used in and regulation or preferential direction exert a force to head 107 or promotes head 107, such as, relative to protuberance 106.Fig. 8 shows five different order positions in the operation cycle of releasing device of the present invention, and wherein head 107 finally moves or displacement bias distance D4 from left to right.The size of biased element 170, shape and/or design are arranged to provide or to realize the motion of head 107 relative to protuberance 106.In some embodiments of the invention, biased element 170 comprises and having usually at flat material or the leaf spring material of specific or desired side's biasing force upwardly.In different embodiments of the invention, biased element 170 can have any structure that other is applicable to and/or can by any applicable material manufacture, and this is by the result of the usual biasing force acted on specific or desired direction desired by realizing.
Figure 12 c, such as, shows the exploded view of an embodiment according to biased element 170 of the present invention.In the embodiment shown in Figure 12 c, protuberance 106 forms passage 171, and head 107 forms passage 172, and in installation site, biased element 170 installs or be arranged on passage 171 and/or passage 172 is inner.According in other embodiments of the present invention, biased element 170 can have the other shape be applicable to and/or type, still realizes promoting in a desired manner or result desired by moving-head 107, such as, responds the motion of protuberance 106.
In some embodiments of the invention, head 107 is promoted relative to moving part 141 and/or the other structure be applicable to or element in a lateral direction on the direction that biased element 170 is used for usually desired by one or more, such as.In some embodiments of the invention, such as, shown in Fig. 7 c and 12c, in the passage 171 that biased element 170 is arranged on protuberance 106 and be also arranged in the passage 172 of head 107.Biased element 170 can be spring, the spring be such as made up of flat material, or can have any other size, shape and/or structure be applicable to.
See Fig. 8, in the ejection cycle cycle, from left to right, from show the relative position of protuberance 106 and head 107, especially relative to the position of moving part 141 to completing order.Primary importance shown in Fig. 8, i.e. leftmost position are the closed positions of injection molding, and such as, in this closed position, mechanograph 142 is molded.As the 5th position, namely shown in least significant, head 107 from left to right moves a segment distance or side-play amount D4 in a lateral direction from the primary importance shown in Fig. 8.According in some embodiment of the present invention, after arrival is provided with the 5th position of range R4 and maximum offset D4, device 101 puts upside down this order, makes head 107 get back to initial primary importance of closing, and circulates to complete a mould ejection.Be used for all operating in many circulations according to releasing device of the present invention, thus generate many mechanographs 142.
As shown in Figure 8, protuberance 106 is movably installed relative to the moving part 141 of injection molding.Any applicable element, bar, pin, arm or other structure be applicable to or moving body all can be used for protuberance 106 is moved relative to moving part 141.In some embodiments of the invention, head 107 is movably installed relative to moving part 141.When head 107 is connected with protuberance 106, protuberance 106 can serve as making head 107 relative to the moving body of moving part 141 movement or mobile device.
As shown in Fig. 7 e, 8 and 12c, such as, ball-and-socket joint 160 connects protuberance 106 and head 107.According to some embodiment of the present invention, ball-and-socket joint 160 comprises ball 161 and receiver 162.In other embodiments of the invention, any other causes and ball-and-socket joint 160 can be replaced to use and/or use therewith with the mechanical splice of the motion of the kinematic similitude of ball-and-socket joint 160.
As shown in Figure 8, in primary importance, head 107 has the shoulder 130 of the backstop 109 of contact wedge-shaped element 110.In some embodiments of the invention, the contact between backstop 109 and shoulder 130 limits the motion of protuberance 106 relative to moving part 141, such as lengthwise movement.Any stop mechanism that other is applicable to all can be used for realizing same or similar constrained motion.In some embodiments of the invention, backstop 109 limits longitudinal direction or the axially-movable of head 107, such as, relative to the motion of moving part 141.
According in some embodiment of the present invention, as shown in Figures 2 and 8, backstop 109 is formed by wedge-shaped element 110, and wedge-shaped element 110 can be fixed relative to moving part 141, or can be integrated with moving part 141, as shown in Figure 8.
In the 3rd position of device 101 as shown in Figure 8, two protuberance 113 contact wedge-shaped elements 110, move relative to moving part 141 in a lateral direction to make head 107.According in some embodiment of the present invention, one or protuberance 113 more than two can be set.Each protuberance 113 can form cam face or cam member, such as in the period at least partially that head 107 moves between the closed position and maximum travel position of injection molding, described cam face or cam member are ridden along wedge-shaped element 110 or move along wedge-shaped element 110.Any applicable cam face and/or any applicable follower surface, such as wedge-shaped element 110, all can be used for making head 107 realize the similar result of movement in response to protuberance 106 and/or the motion of other like.
According in some embodiment of the present invention, as shown in Fig. 7,7e and 12a, guide sleeve 102 is installed relative to moving part 141, and can install in any applicable mode known to those skilled in the art.In some embodiments of the invention, wedge-shaped element 110 is fixing relative to guide sleeve 102 or integrated with it.According in other embodiments of the present invention, as shown in Figure 8, operate when there is no guide sleeve 102 according to releasing device of the present invention or work.
About as Fig. 1,2, described in the embodiments of the invention as shown in 2a and 3-6 and this description described in many elements can use with the elements combination in other embodiments of the present invention, also these elements can be replaced, comprise those elements with like reference marker, those elements such as described in Fig. 7,7a-7e, 8-11,12a-12g and 13-16, these all do not deviate from the result desired by the present invention.Equally, about described in the embodiments of the invention as shown in Fig. 7,7a-7e, 8-11,12a-12g and 13-16 and this description described in many elements can use with the elements combination in other embodiments of the present invention, also these elements can be replaced, comprise those elements with like reference marker, such as Fig. 1,2, those elements described in 2a and 3-6, these all do not deviate from the result desired by the present invention.
Although in the foregoing specification, with regard to some preferred embodiment, invention has been described, and set forth many details to illustrate, but, for a person skilled in the art, obviously, the present invention allows other embodiment, can alter a great deal with some details of describing in claims in this manual, but all can not deviate from general principle of the present invention.
Claims (15)
1., at the equipment of injection-molded middle release with the parts of undercutting, this equipment comprises:
Relative to the protuberance that the moving part of injection molding can be installed with moving; Relative to the head that moving part can be installed with moving; Be connected to described head or the spherical ball integrated with described head; Be connected to described protuberance or the receiver integrated with described protuberance; Described spherical ball forms with described receiver the ball-and-socket joint be connected with described head by described protuberance;
Wherein, described equipment also comprise be arranged on head first passage in and protuberance second channel in biased element, biased element promotes described head in a lateral direction relative to moving part.
2. equipment as claimed in claim 1, wherein, described head has shoulder, in the closed position of injection molding, the backstop that described shoulder contact is longitudinally fixing relative to described moving part.
3. equipment as claimed in claim 2, wherein, the lengthwise movement in the closing direction of described backstop restriction head.
4. equipment as claimed in claim 2, wherein, described backstop is formed by a wedge-shaped element, and described wedge-shaped element is fixed relative to moving part or integrated with moving part.
5. equipment as claimed in claim 1, wherein, at least one protuberance is connected to described head or integrated with head, and described protuberance contact one wedge-shaped element, moves relative to moving part in a lateral direction to make head.
6. equipment as claimed in claim 5, wherein, described protuberance forms cam, and in the period at least partially that head moves between the closed position and maximum travel position of injection molding, described cam is ridden along wedge-shaped element.
7. equipment as claimed in claim 1, also comprises the guide sleeve of installing relative to moving part and fixes relative to guide sleeve or the wedge-shaped element of integration with it.
8., at the equipment of injection-molded middle release with the parts of minus zone, this equipment comprises:
Relative to the protuberance that the moving part of injection molding can be installed with moving; Relative to the head that moving part can be installed with moving, described head has a shoulder, in the closed position of injection molding, and described shoulder contact fixing backstop longitudinal relative to moving part; Biased element in the first passage being arranged on head and in the second channel of protuberance, biased element promotes described head in a lateral direction relative to moving part.
9. equipment as claimed in claim 8, also comprises the ball-and-socket joint connecting described head and protuberance.
10. equipment as claimed in claim 8, wherein, described backstop limits the lengthwise movement in the closing direction of described head.
11. equipment as claimed in claim 8, wherein, described backstop is formed by a wedge-shaped element, and described wedge-shaped element is fixed relative to moving part or integrated with moving part.
12. equipment as claimed in claim 8, wherein, at least one protuberance is connected to described head or integrated with head, and described protuberance contact one wedge-shaped element, moves relative to moving part in a lateral direction to make head.
13. equipment as claimed in claim 12, wherein, described protuberance forms cam, and in the period at least partially that head moves between the closed position and maximum travel position of injection molding, described cam is ridden along wedge-shaped element.
14. equipment as claimed in claim 8, also comprise relative to moving part install guide sleeve and fix relative to guide sleeve or with it integration wedge-shaped element.
15. 1 kinds at the equipment of injection-molded middle release with the parts of minus zone, this equipment comprises:
Relative to the protuberance that the moving part of injection molding can be installed with moving; Relative to the head that moving part can be installed with moving; By the ball-and-socket joint that described protuberance is connected with described head, described ball-and-socket joint is formed by spherical ball being arranged in receiver, described spherical ball is connected to described head, and described receiver is connected to described protuberance, described head has a shoulder, in the closed position of injection molding, described shoulder contact fixing backstop longitudinal relative to moving part; With a biased element, described biased element promotes head in a lateral direction relative to moving part.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28325509P | 2009-11-30 | 2009-11-30 | |
| US61/283,255 | 2009-11-30 | ||
| US12/803,621 | 2010-06-30 | ||
| US12/803,621 US8241031B2 (en) | 2007-12-31 | 2010-06-30 | Demolding device for an injection molding part with an undercut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102107502A CN102107502A (en) | 2011-06-29 |
| CN102107502B true CN102107502B (en) | 2015-12-02 |
Family
ID=43598481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010563517.3A Expired - Fee Related CN102107502B (en) | 2009-11-30 | 2010-11-29 | For the stripper apparatus of the injection moulded products with undercutting |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2327530B1 (en) |
| CN (1) | CN102107502B (en) |
| ES (1) | ES2587059T3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5201643B2 (en) * | 2011-07-22 | 2013-06-05 | 株式会社テクノクラーツ | Undercut processing mechanism |
| US11364662B2 (en) * | 2019-10-14 | 2022-06-21 | Progressive Components International Corporation | Lifter system with rotational GIB |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5281127A (en) * | 1992-05-14 | 1994-01-25 | Ramsey William C | Articulated core blade assembly for use in an injection molding machine |
| CN1754679A (en) * | 2004-09-28 | 2006-04-05 | 株式会社小糸制作所 | Molding method for vehicular lamp part and molding apparatus for vehicular lamp part |
| ES2320504A1 (en) * | 2005-11-23 | 2009-05-22 | Jose Luis Gonzalez Palacio Fenech | Negative dismollation system. (Machine-translation by Google Translate, not legally binding) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04319413A (en) * | 1991-04-18 | 1992-11-10 | Toyoda Gosei Co Ltd | Molding die |
| DE102004060964A1 (en) * | 2004-12-17 | 2006-06-22 | Rehau Ag + Co. | Apparatus for injection molding article a rear section, especially automobile cladding component, including tiltable rear section shaping mold tool element to facilitate demolding |
| ES2345697B1 (en) * | 2007-12-31 | 2011-09-28 | Jose Luis Gonzalez Palacio Fenech | DEVICE FOR THE DISMOLDING OF NEGATIVES IN PLASTIC INJECTION. |
-
2010
- 2010-10-19 EP EP10187966.6A patent/EP2327530B1/en not_active Not-in-force
- 2010-10-19 ES ES10187966.6T patent/ES2587059T3/en active Active
- 2010-11-29 CN CN201010563517.3A patent/CN102107502B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5281127A (en) * | 1992-05-14 | 1994-01-25 | Ramsey William C | Articulated core blade assembly for use in an injection molding machine |
| CN1754679A (en) * | 2004-09-28 | 2006-04-05 | 株式会社小糸制作所 | Molding method for vehicular lamp part and molding apparatus for vehicular lamp part |
| ES2320504A1 (en) * | 2005-11-23 | 2009-05-22 | Jose Luis Gonzalez Palacio Fenech | Negative dismollation system. (Machine-translation by Google Translate, not legally binding) |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2327530B1 (en) | 2016-05-18 |
| EP2327530A1 (en) | 2011-06-01 |
| CN102107502A (en) | 2011-06-29 |
| ES2587059T3 (en) | 2016-10-20 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 |